package com.itwlj.config;

import com.itwlj.interceptor.JwtTokenMembersInterceptor;
import com.itwlj.json.JacksonObjectMapper;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;

import java.util.List;

/**
 * 配置类，注册web层相关组件
 */
@Configuration
@Slf4j
public class WebMvcConfiguration extends WebMvcConfigurationSupport {

    @Autowired
    private JwtTokenMembersInterceptor jwtTokenMembersInterceptor;
    @Value("${mall.path}")
    private String basePath;

    /**
     * 注册自定义拦截器
     *
     * @param registry
     */
    protected void addInterceptors(InterceptorRegistry registry) {
        log.info("开始注册自定义拦截器...");
        registry.addInterceptor(jwtTokenMembersInterceptor)
                .addPathPatterns("/**")
                .excludePathPatterns("/home/**")
                .excludePathPatterns("/category/**")
                .excludePathPatterns("/goods")
                .excludePathPatterns("/login")
                .excludePathPatterns("/admin/common/sms/send")
                .excludePathPatterns("/account/**")
                .excludePathPatterns("/admin/login")
                .excludePathPatterns("/doc.html")
                // 排除 api文档 相关路径
                .excludePathPatterns("/doc.html")
                .excludePathPatterns("/webjars/**")
                .excludePathPatterns("/swagger-resources/**")
                .excludePathPatterns("/v2/api-docs");
    }

    /**
     * 通过swagger生成接口文档
     * @return
     */
    @Bean
    public Docket docket1(){
        log.info("准备生成接口文档...");
        ApiInfo apiInfo = new ApiInfoBuilder()
                .title("星贸商城项目接口文档")
                .version("1.0")
                .description("星贸商城项目接口文档")
                .build();

        Docket docket = new Docket(DocumentationType.SWAGGER_2)
                .groupName("管理端接口")
                .apiInfo(apiInfo)
                .select()
                //指定生成接口需要扫描的包
                .apis(RequestHandlerSelectors.basePackage("com.itwlj.controller.admin"))
                .paths(PathSelectors.any())
                .build();

        return docket;
    }

    @Bean
    public Docket docket2(){
        log.info("准备生成接口文档...");
        ApiInfo apiInfo = new ApiInfoBuilder()
                .title("星贸商城项目接口文档")
                .version("1.0")
                .description("星贸商城项目项目接口文档")
                .build();

        Docket docket = new Docket(DocumentationType.SWAGGER_2)
                .groupName("用户端接口")
                .apiInfo(apiInfo)
                .select()
                //指定生成接口需要扫描的包
                .apis(RequestHandlerSelectors.basePackage("com.itwlj.controller.user"))
                .paths(PathSelectors.any())
                .build();

        return docket;
    }

    /**
     * 设置静态资源映射
     * @param registry
     */
    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
        registry.addResourceHandler("/doc.html").addResourceLocations("classpath:/META-INF/resources/");
        registry.addResourceHandler("/webjars/**").addResourceLocations("classpath:/META-INF/resources/webjars/");
        registry.addResourceHandler("/images/**").addResourceLocations("file:"+basePath);
    }

    /**
     * 扩展Spring MVC框架的消息转化器
     * @param converters
     */
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        log.info("扩展消息转换器...");
        //创建一个消息转换器对象
        MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter();
        //需要为消息转换器设置一个对象转换器，对象转换器可以将Java对象序列化为json数据
        converter.setObjectMapper(new JacksonObjectMapper());
        //将自己的消息转化器加入容器中
        converters.add(0,converter);
    }

    /**
     * 配置CORS映射
     * @param registry
     */
    public void addCorsMappings(CorsRegistry registry) {
        log.info("配置CORS映射...");
        registry.addMapping("/**")
                // 是否允许发送Cookie
                .allowCredentials(true)
                // 明确指定允许的源（替换为您的域名）
                .allowedOrigins("http://127.0.0.1:5173")
                // 放行的方法
                .allowedMethods(new String[]{"GET", "POST", "PUT", "DELETE","OPTIONS"})
                // 放行的头信息
                .allowedHeaders("*")
                // 暴露的头信息
                .exposedHeaders("*");
    }
}
